The town's leading citizen becomes a homicidal maniac after his wife deserts him.
Only a terrified woman knows the secret of this ghostly murderer...who strikes in the night and leaves no clues---but his victims!
Seymour is a young man who works in a flower store. He manages to create a carnivorous plant that feeds on human flesh. Nobody knows about it, so Seymour and the plant become good "friends". The plant needs food to grow up, so it convinces him to start killing people.